include: sync event codes with kernel 5.8

And fix the script to sync the headers up so it syncs event codes for both bsd
and linux, but only syncs input.h for linux.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
50 jobs for wip/kernel-5.8 in 5 minutes and 55 seconds (queued for 15 seconds)